scholarly journals Effect of fatty acids source on growth performance, carcass characteristics, plasma urea nitrogen concentration, and fatty acid profile in meat of pigs fed standard- or low-protein diets

2012 ◽  
Vol 10 (4) ◽  
pp. 993 ◽  
Author(s):  
M. Martínez-Aispuro ◽  
J. L. Figueroa-Velasco ◽  
V. Zamora-Zamora ◽  
M. T. Sánchez-Torres ◽  
M. E. Ortega-Cerrilla ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Growth Performance ◽  
Fatty Acid Profile ◽  
Nitrogen Concentration ◽  
Carcass Characteristics ◽  
Urea Nitrogen ◽  
Plasma Urea ◽  
Low Protein ◽  
Protein Diets

scholarly journals Effect of CLA supplementation to low-protein diets on the growth performance, carcass characteristics, plasma urea nitrogen concentration, and fatty acid profile in the meat of pigs

2014 ◽  
Vol 57 (5) ◽  
pp. 742-754 ◽  
Author(s):  
Manuel Martínez-Aispuro ◽  
José Luis Figueroa-Velasco ◽  
Vicente Zamora-Zamora ◽  
José Luis Cordero-Mora ◽  
Carlos Narciso-Gaytán ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Growth Performance ◽  
Fatty Acid Profile ◽  
Nitrogen Concentration ◽  
Carcass Characteristics ◽  
Urea Nitrogen ◽  
Plasma Urea ◽  
Low Protein ◽  
Protein Diets

Plasma Urea Nitrogen Concentration and Growth Performance of Finishing Pigs Fed Sorghum-Soybean Meal, Low-Protein Diets

2008 ◽  
Vol 33 (1) ◽  
pp. 7-12 ◽  
Author(s):  
J. L. Figueroa ◽  
M. Martínez ◽  
J. E. Trujillo ◽  
V. Zamora ◽  
J. L. Cordero ◽  
...  
Keyword(s):  
Growth Performance ◽  
Soybean Meal ◽  
Nitrogen Concentration ◽  
Finishing Pigs ◽  
Urea Nitrogen ◽  
Plasma Urea ◽  
Low Protein ◽  
Protein Diets

scholarly journals Effects of Supplements Differing in Fatty Acid Profile to Late Gestational Beef Cows on Steer Progeny Finishing Phase Growth Performance, Carcass Characteristics, and mRNA Expression of Myogenic and Adipogenic Genes

Animals ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 1904
Author(s):  
Taoqi Shao ◽  
Joshua C. McCann ◽  
Daniel W. Shike
Keyword(s):  
Fatty Acid ◽  
Growth Performance ◽  
Mrna Expression ◽  
Fatty Acid Profile ◽  
Carcass Characteristics ◽  
Beef Cows ◽  
Feed Ratio ◽  
Phase Growth ◽  
Pufa Supplementation ◽  
Relative Mrna Expression

The objective was to investigate the effects of feeding late gestational beef cows supplements differing in fatty acid profile on steer progeny finishing phase growth performance, carcass characteristics, and relative mRNA expression of myogenic and adipogenic genes. Seventy Angus-cross steers (initial body weight [BW] 273 ± 34 kg) born from dams supplemented with either 155 g DM/d EnerGII (CON, rich in palmitic and oleic acids) or 80 g DM/d Strata + 80 g DM/d Prequel (PUFA, rich in linoleic acid, eicosapentaenoic acid, and docosahexaenoic acid) for the last 77 ± 6 d prepartum were used. Longissimus muscle and subcutaneous adipose biopsies were collected to evaluate relative mRNA expression of genes related to myogenesis and adipogenesis. Steers were slaughtered at 423 ± 6 d of age. No treatment × time interaction or treatment effect (p ≥ 0.21) was detected for steer finishing phase BW, while steers from PUFA supplemented dams tended (p = 0.06) to have a greater gain to feed ratio (G:F). Neither carcass characteristics nor relative mRNA expression was different (p ≥ 0.11). In conclusion, late gestation PUFA supplementation tended to increase steer progeny finishing phase G:F, but had no effects on finishing phase BW, carcass characteristics, or relative mRNA expression during the finishing phase.

Time-response relationship of ractopamine feeding on growth performance, plasma urea nitrogen concentration, and carcass traits of finishing pigs1

2013 ◽  
Vol 91 (2) ◽  
pp. 811-818 ◽  
Author(s):  
V. V. Almeida ◽  
A. J. C. Nuñez ◽  
A. P. Schinckel ◽  
C. Andrade ◽  
J. C. C. Balieiro ◽  
...  
Keyword(s):  
Growth Performance ◽  
Nitrogen Concentration ◽  
Carcass Traits ◽  
Time Response ◽  
Response Relationship ◽  
Urea Nitrogen ◽  
Plasma Urea ◽  
Relationship Of

scholarly journals Nitrogen balance of starting barrow pigs fed on increasing lysine levels

2004 ◽  
Vol 47 (1) ◽  
pp. 85-91 ◽  
Author(s):  
Ivan Moreira ◽  
Alessandro Luis Fraga ◽  
Diovani Paiano ◽  
Gisele Cristina de Oliveira ◽  
Cláudio Scapinello ◽  
...  
Keyword(s):  
Nitrogen Balance ◽  
Nitrogen Retention ◽  
Nitrogen Excretion ◽  
Protein Utilization ◽  
Urea Nitrogen ◽  
Plasma Urea ◽  
Low Protein ◽  
Feed Protein ◽  
Protein Diets ◽  
Net Protein

The effects of increasing lysine levels on nitrogen balance of pigs fed on low protein diets were evaluated. Four treatments (diets) containing lysine levels (0.8, 1.0 1.2 and 1.4%) were applied to 12 starting (20.0 ± 1.8 kg) barrow pigs. Methionine, threonine and tryptophan were kept constant to the lysine ratio in all diets. Feces and urine were collected during a 5-day period. Nitrogen output in urine (NOU), total nitrogen output (TNO), nitrogen retention (NR), net protein utilization (NPU), biological value or feed protein (BVFP), urine urea nitrogen (UUN), and plasma urea nitrogen (PUN) were determined. PUN showed high negative correlations with BVFP (-0.84), NPU (-0.76), and NR (-0.78) and a positive correlation (0.79) to NOU. Lowest nitrogen excretion and the best use of diet protein were obtained with 1.1% total lysine level. PUN is efficient to indicate amino acid for pigs.

Effect of management strategy on growth performance, carcass characteristics, fatty acid composition, and palatability attributes in crossbred steers

2002 ◽  
Vol 82 (1) ◽  
pp. 49-57 ◽  
Author(s):  
F. L. Laborde ◽  
I. B. Mandell ◽  
J. J. Tosh ◽  
J. G. Buchanan-Smith ◽  
J. W. Wilton
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Growth Performance ◽  
Acid Composition ◽  
Management Strategy ◽  
Management Strategies ◽  
Carcass Characteristics ◽  
Carcass Composition ◽  
Longissimus Muscle

Crossbred steers (n = 136) were used to evaluate the effect of management strategy on growth performance, carcass characteristics, and fatty acid composition and palatability attributes of beef. Management strategies included: (1) high grain (75% high moisture corn) finishing (HG), or (2) backgrounding with restricted feeding of an alfalfa silage ration for 112 d, followed by HG until slaughter (BKG). Steers were slaughtered at 8–10 mm ultrasound backfat. Backgrounding increased (P < 0.001) days on feed and decreased (P < 0.01) days on grain, average daily gain and longissimus muscle area compared with the HG regime. Slaughter weight, intramuscular fat content, and marbling score were unaffected (P > 0.10) by management strategy. Longissimus muscle palatability attributes and shear force did not differ (P > 0.10) between management strategies, whereas BKG increased (P < 0.03) softness, overall tenderness, chewiness, and rate of breakdown scores, and decreased (P < 0.09) juiciness scores in semitendinosus muscle. Backgrounding increased (P < 0.05) conjugated linoleic acid (CLA), total monounsaturated fatty acids, and 1193 polyunsaturated fatty acid (PUFA), and decreased (P < 0.05) total saturated fatty acids (SFA), and 1196 PUFA content of beef. While the change in quantitative and qualitative fatty acid composition of beef is in line with current dietary recommendations for humans, the magnitude of these changes was minimal. Key words: Beef cattle, diets, carcass composition, fatty acids, longissimus muscle, palatability attributes

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